Driving force transmission apparatus and method of manufacturing the same

A magnetic path forming member (12) is formed by heating a radially intermediate portion (122) of a workpiece (100) made of a magnetic material to melt the radially intermediate portion from one axial face of the workpiece to the other axial face of the workpiece to form a keyhole (102), and disposi...

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Bibliographische Detailangaben
1. Verfasser: NAGAHAMA, TAKAYA
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A magnetic path forming member (12) is formed by heating a radially intermediate portion (122) of a workpiece (100) made of a magnetic material to melt the radially intermediate portion from one axial face of the workpiece to the other axial face of the workpiece to form a keyhole (102), and disposing an alloy element (110) in a molten pool (103) around the keyhole to demagnetize a melted portion.